The story takes place in medieval era where people depends on money to survive. In a world full of dangerous monster and beast life expectancy is low. But humanity adapt and thrive for a thousand of years of this chaotic cycle some human with magic power appears no one knows how and why.

Humans manage to fight back and "harvest" the monsters and turn it into weapons and armor etc. Monsters are classified by rarity and strength ranked by the guilds. "The guilds" is form by powerful adventurers on the other hand some criminals, thieves, bad guys in general form their own evil organization known as "Dark guilds"

To find out the mystery of magic and monsters that terrorize humanity. Hanta a curious adventurer wants to form his own guild and explore the world of magic and get his own.

For 200 years every 10 years the guilds organize a "Grand expedition" to explore and discover the unknown frontier full of monsters. To have a chance of surviving the expedition adventurer needs to find the legendary "Magic academy".